Quiz sobre Hidrocarbonetos

The correct name of the branched hydrocarbon, whose formula is outlined below is:

• 3,4-diethyl-octene

• 3,4-dimethyl-octane

• 3,4-diethyl-octane

• 3,4-dipropyl-octane

• 3,4-dimethyl-octene

Analyze the statements about hydrocarbons and respond with the sum of the correct alternatives. (02) The boiling point of a series of hydrocarbons increases with the increase of the chain. (04) Hydrocarbons are compounds formed by carbon and hydrogen atoms. (16) Hydrocarbons are nonpolar compounds and, therefore, dissolve easily in water.

• 02

• 04

• 16

• 06

• 20

According to IUPAC, the CORRECT name of 'Isoprene', the basic monomer of polymers, is:

• 4-methyl-1,3-butadiene

• 2-methylene-1,3-butadiene

• 4-vinyl-1-pentene

• 2-methyl-1,3-butadiene

• 2-methyl-1,3-pentadiene

How many carbon atoms are in the main chain of the molecule represented below?

The correct name of the branched hydrocarbon, whose formula is outlined below is:

• Isobutane

• 2-methylbutane

• Pentane

• 1,1-dimethylpropane

Analyze the statements regarding the compounds below and mark the correct one:

• The compound (B) is a cyclic hydrocarbon, also known as cycloparaffin.

• The compound (B) is an aromatic hydrocarbon.

• The compound (A) is classified as aliphatic.

• The compound (A) is not a hydrocarbon, it is known as cycloparaffin.

Consider the statements below regarding normal and saturated hydrocarbons at a temperature of 25°C and a pressure of 1 atm. Which statements are correct?

• only I, II, IV, and V.

• only I, II, and V.

• only III, IV, and V.

• only IV and V.